What is CVE-2021-1623?

CVE-2021-1623 is a high-severity vulnerability in Cisco Cbr-8, classified under CWE-399. CVSS score: 7.7/10. Published 2021-09-23.

How severe is CVE-2021-1623?

High severity. CVSS v3 base score is 7.7 out of 10.

Vulnerability in Cisco Cbr-8

CVE-2021-1623

A vulnerability in the Simple Network Management Protocol (SNMP) punt handling function of Cisco cBR-8 Converged Broadband Routers could allow an authenticated, remote attacker to overload a device punt path, resulting in a denial of servi…

EPSS: 0.011 (62.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Cbr-8
Cisco Ios Xe Software — versions n/a
Cisco Ios_xe

Weakness classification (CWE)

CWE-399

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1623?: CVE-2021-1623 is a high-severity vulnerability in Cisco Cbr-8, classified under CWE-399. CVSS score: 7.7/10. Published 2021-09-23.
How severe is CVE-2021-1623?: High severity. CVSS v3 base score is 7.7 out of 10.